Figure 4-1: AHRQ, NAC, and subcommittee roles Future Directions for the National Healthcare Quality and Disparities Figure 4-1. AHRQ, NAC, and subcommittee roles Source: AHRQ, 2009a.Return to Document Current as of December 2010 Internet Citation: Figure 4-1: AHRQ, NAC, and subcommittee roles: Future Directions for the National Healthcare Quality and Disparities . December 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/iomqrdrreport/futureqrdrfig4-1.html